ABSTRACT—A standard visual preference task was used to examine 3-month-olds ’ looking times at ow... more ABSTRACT—A standard visual preference task was used to examine 3-month-olds ’ looking times at own-race versus other-race faces as a function of environmental exposure to faces from the two categories. Participants were Cau-casian infants living in a Caucasian environment, African infants living in an African environment, and African in-fants living in a predominantly Caucasian environment. The results indicate that preference for own-race faces is present as early as 3months of age, but that this preference results from exposure to the prototypical facial environ-ment. Intergroup bias is the systematic tendency to evaluate members of one’s own group (the in-group) more favorably than members of a group to which one does not belong (the out-group). This tendency can take the form of favoring in-group members, der-ogating out-groupmembers, or both (Hewstone, Rubin, &Willis, 2002). Intergroup bias is thought to be an initial form of preju-dice that is based on a fundamental strategy f...
Attention is the scientific term primarily usedto describe all processes and mechanisms thatgover... more Attention is the scientific term primarily usedto describe all processes and mechanisms thatgovern the subjective constraints imposed by thehuman organism on the flow and interpretationof external and internal information, and on theorganization and selection of responses, in the serviceof goal-directed behavior. In some cases, attentioncan also be automatically captured bysudden changes in the situation, or by well-trainedstimulus\u2013response tendencie
The aim of the present study was to dissociate the ERP (Event Related Potentials) correlates of s... more The aim of the present study was to dissociate the ERP (Event Related Potentials) correlates of subjective awareness from those of unconscious perception. In a backward masking paradigm, participants first produced a forced-choice response to the location of a liminal target presented for an individually calibrated duration, and then reported on their subjective awareness of the target's presence. We recorded (Event-Related Potentials) ERPs and compared the ERP waves when observers reported being aware vs. unaware of the target but localized it correctly, thereby isolating the neural correlates of subjective awareness while controlling for differences in objective performance. In addition, we compared the ERPs when participants were subjectively unaware of the target's presence and localized it correctly versus incorrectly, thereby isolating the neural correlates of unconscious perception. All conditions involved stimuli that were physically identical and were presented for ...
Western tonality provides a hierarchy of stability among melodic scale-degrees, from the maximall... more Western tonality provides a hierarchy of stability among melodic scale-degrees, from the maximally stable tonic to unstable chromatic notes. Tonal stability has been linked to emotion, yet systematic investigations of the associations between the hierarchy of melodic scale-degrees and perceived emotional valence are lacking. Here, we examined such associations in three experiments, in musicians and in non-musicians. We used an explicit task, in which participants matched probe tones following key-establishing sequences to facial expressions ranging from sad to happy, and an implicit speeded task, a variant of the Implicit Association Test. Stabler scale-degrees were associated with more positive valence in all experiments, for both musicians and nonmusicians. This notwithstanding, results significantly differed from those of a comparable goodness-of-fit task, suggesting that perceived tonal valence is not reducible to tonal fit. Comparisons of the explicit and implicit measures sugg...
ABSTRACT—A standard visual preference task was used to examine 3-month-olds ’ looking times at ow... more ABSTRACT—A standard visual preference task was used to examine 3-month-olds ’ looking times at own-race versus other-race faces as a function of environmental exposure to faces from the two categories. Participants were Cau-casian infants living in a Caucasian environment, African infants living in an African environment, and African in-fants living in a predominantly Caucasian environment. The results indicate that preference for own-race faces is present as early as 3months of age, but that this preference results from exposure to the prototypical facial environ-ment. Intergroup bias is the systematic tendency to evaluate members of one’s own group (the in-group) more favorably than members of a group to which one does not belong (the out-group). This tendency can take the form of favoring in-group members, der-ogating out-groupmembers, or both (Hewstone, Rubin, &Willis, 2002). Intergroup bias is thought to be an initial form of preju-dice that is based on a fundamental strategy f...
Attention is the scientific term primarily usedto describe all processes and mechanisms thatgover... more Attention is the scientific term primarily usedto describe all processes and mechanisms thatgovern the subjective constraints imposed by thehuman organism on the flow and interpretationof external and internal information, and on theorganization and selection of responses, in the serviceof goal-directed behavior. In some cases, attentioncan also be automatically captured bysudden changes in the situation, or by well-trainedstimulus\u2013response tendencie
The aim of the present study was to dissociate the ERP (Event Related Potentials) correlates of s... more The aim of the present study was to dissociate the ERP (Event Related Potentials) correlates of subjective awareness from those of unconscious perception. In a backward masking paradigm, participants first produced a forced-choice response to the location of a liminal target presented for an individually calibrated duration, and then reported on their subjective awareness of the target's presence. We recorded (Event-Related Potentials) ERPs and compared the ERP waves when observers reported being aware vs. unaware of the target but localized it correctly, thereby isolating the neural correlates of subjective awareness while controlling for differences in objective performance. In addition, we compared the ERPs when participants were subjectively unaware of the target's presence and localized it correctly versus incorrectly, thereby isolating the neural correlates of unconscious perception. All conditions involved stimuli that were physically identical and were presented for ...
Western tonality provides a hierarchy of stability among melodic scale-degrees, from the maximall... more Western tonality provides a hierarchy of stability among melodic scale-degrees, from the maximally stable tonic to unstable chromatic notes. Tonal stability has been linked to emotion, yet systematic investigations of the associations between the hierarchy of melodic scale-degrees and perceived emotional valence are lacking. Here, we examined such associations in three experiments, in musicians and in non-musicians. We used an explicit task, in which participants matched probe tones following key-establishing sequences to facial expressions ranging from sad to happy, and an implicit speeded task, a variant of the Implicit Association Test. Stabler scale-degrees were associated with more positive valence in all experiments, for both musicians and nonmusicians. This notwithstanding, results significantly differed from those of a comparable goodness-of-fit task, suggesting that perceived tonal valence is not reducible to tonal fit. Comparisons of the explicit and implicit measures sugg...
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Papers by Dominique Lamy